这对于唐家河这种植被覆盖率高，地形复杂的自然保护区，旅游资源的调查评价尤为困难。
The course of tourism resource investigation and evaluation is much more trouble for Tangjiahe Nature Reserve with higher vegetation overcast and up-and-down landform.
这对于唐家河这种植被覆盖率高，地形复杂的自然保护区，旅游资源的调查评价尤为困难。
The course of tourism resource investigation and evaluation is much more trouble for Tangjiahe Nature Reserve with higher vegetation overcast and up-and-down landform.
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